Archive

Dive into a collection of past posts and rediscover timeless content.

Cloud

Jul 13, 2026

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10 min read

AWS IAM Simply Explained

IAM Deep Dive. Bookmark this.

Yoshik Karnawat

Digest

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Jul 12, 2026

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2 min read

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

Why working code gets replaced too early, databases become harder to operate than expected, and real infrastructure costs begin after the demo

Yoshik Karnawat

DevOps

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

Jul 8, 2026

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7 min read

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

The advice I'd give every junior DevOps and SRE engineer starting today.

Yoshik Karnawat

Digest

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Jul 6, 2026

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2 min read

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

Self-managing infra, transaction-powered workflows, and the practical lessons hiding behind retry storms, pager fatigue, and simpler stacks

Yoshik Karnawat

DevOps

21 Lessons I Learned in My First 3 Years as an SRE

Jun 28, 2026

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3 min read

21 Lessons I Learned in My First 3 Years as an SRE

The advice I'd give every junior DevOps and SRE engineer starting today.

Yoshik Karnawat

Digest

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Jun 26, 2026

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1 min read

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Practical infra lessons, zero-downtime migrations, and simple systems that keep outperforming fashionable stacks

Yoshik Karnawat

Jun 22, 2026

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9 min read

Eventual Consistency

How Dynamo, Cassandra, and Cosmos DB Choose Availability Over Immediate Agreement

Yoshik Karnawat

System Design

Jun 17, 2026

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12 min read

DevOps vs MLOps vs AIOps

What Each One Actually Does (and When You Need Which)

Yoshik Karnawat

Digest

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

Jun 12, 2026

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2 min read

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

Hidden pipeline slowdowns, kube-native platform shifts, and the engineering lessons freshers need before the hype overwhelms them

Yoshik Karnawat

System Design

Jun 9, 2026

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14 min read

WhatsApp Architecture

The System That Scaled to Billions on 550 Servers

Yoshik Karnawat

Archive

Dive into a collection of past posts and rediscover timeless content.

AWS IAM Simply Explained

#26 Uptime Sync: The Rewrite Trap, PostgreSQL at Scale, and the Costs That Show Up After Launch

I Don’t Chase Every New Tool Anymore. I Test, Compare, and Move On

#25 Uptime Sync: Homelabs That Maintain Themselves, PostgreSQL Superpowers, and the AI Bill Nobody Expected

21 Lessons I Learned in My First 3 Years as an SRE

#24 Uptime Sync: Terminal Workflows, PostgreSQL Enough, and the Tools That Still Win

Eventual Consistency

DevOps vs MLOps vs AIOps

#23 Uptime Sync: ClickHouse Bottlenecks, Rust Migrations, and the AI Hype Check

WhatsApp Architecture

The Uptime Engineer